package cn.lucky.springcloud.service.impl;

import cn.hutool.core.lang.UUID;
import cn.lucky.springcloud.service.IMessageProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;

import javax.annotation.Resource;

/**
 * @author lingpeng.jiang
 * @create 2021-01-21-23:49
 */
@EnableBinding(Source.class) //定义消息的消息管道
@Slf4j
public class MessageProviderImpl implements IMessageProvider {

    @Resource
    private MessageChannel output; //消息发送管道



    @Override
    public String send() {
        String serial = UUID.fastUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        log.info("****************流水号: " + serial);
        return serial;
    }
}
